Pair of filenos read/write each other?

Thu Aug 15 11:59:29 EDT 2013

On Wed, Aug 14, 2013 at 01:55:38AM +0100, Chris Angelico wrote:
> On Wed, Aug 14, 2013 at 1:17 AM, Rhodri James
> <rhodri at wildebst.demon.co.uk> wrote:
> > On 2013年8月14日 00:10:41 +0100, Jack Bates <tdhfwh at nottheoilrig.com>
> > wrote:
> >
> >> Can anyone suggest a way to get a pair of file descriptor numbers such
> >> that data written to one can be read from the other and vice versa?
> >>
> >> Is there anything like os.pipe() where you can read/write both ends?
> >
> >
> > Sockets? It depends a bit on what you're trying to do, exactly. If you
> > give us a bit more context, we might be able to give you better advice.
>> Specific questions:
>> 1) Do you need different processes to do the reading/writing?

No, only one process is involved.
> 2) Do you need to separate individual writes (message mode)?

No, data can be split into smaller writes or merged into a bigger write, so
long as it arrives in order.
> ChrisA

Thank you for your help!